Home / 19,157,095.90-28,735,643.85-18,212,311.90

Finding the Fourth Proportional to 19,157,095.90, 28,735,643.85 and 18,212,311.90

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Solution

The fourth proportional to 19,157,095.90, 28,735,643.85 and 18,212,311.90 is: 27,318,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,095.90 : 28,735,643.85 = 18,212,311.90 : x
  2. Step 2: Convert to fraction form
    19,157,095.90/28,735,643.85 = 18,212,311.90/x
  3. Step 3: Cross multiply
    19,157,095.90x = 28,735,643.85 × 18,212,311.90
  4. Step 4: Simplify right side
    19,157,095.90x = 523,342,508,443,516.81
  5. Step 5: Solve for x
    x = 523,342,508,443,516.81/19,157,095.90
  6. Step 6: Final answer
    x = 27,318,467.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.